And here it says too that mark any @unsupported content is reqired: https://instantview.telegram.org/docs#unsupported

𝙏𝙞𝙥: 𝙄𝙩 𝙞𝙨 𝙞𝙢𝙥𝙤𝙧𝙩𝙖𝙣𝙩 𝙩𝙤 𝙞𝙙𝙚𝙣𝙩𝙞𝙛𝙮 𝙩𝙝𝙖𝙩 𝙖 𝙥𝙖𝙜𝙚 𝙘𝙤𝙣𝙩𝙖𝙞𝙣𝙨 𝙚𝙨𝙨𝙚𝙣𝙩𝙞𝙖𝙡 𝙪𝙣𝙨𝙪𝙥𝙥𝙤𝙧𝙩𝙚𝙙 𝙘𝙤𝙣𝙩𝙚𝙣𝙩 — 𝙣𝙤 𝙄𝙑 𝙥𝙖𝙜𝙚 𝙬𝙞𝙡𝙡 𝙗𝙚 𝙜𝙚𝙣𝙚𝙧𝙖𝙩𝙚𝙙 𝙩𝙤 𝙚𝙣𝙨𝙪𝙧𝙚 𝙩𝙝𝙖𝙩 𝙩𝙝𝙚 𝙪𝙨𝙚𝙧 𝙣𝙚𝙫𝙚𝙧 𝙜𝙚𝙩𝙨 𝙞𝙣𝙘𝙤𝙢𝙥𝙡𝙚𝙩𝙚 𝙞𝙣𝙛𝙤 𝙛𝙧𝙤𝙢 𝙖𝙣 𝙖𝙧𝙩𝙞𝙘𝙡𝙚. 𝙏𝙝𝙚 𝙨𝙮𝙨𝙩𝙚𝙢 𝙬𝙞𝙡𝙡 𝙩𝙖𝙠𝙚 𝙘𝙖𝙧𝙚 𝙤𝙛 𝙩𝙝𝙚 𝙢𝙤𝙨𝙩 𝙥𝙤𝙥𝙪𝙡𝙖𝙧 𝙘𝙖𝙨𝙚𝙨 𝙞𝙣 𝙩𝙝𝙚 ..𝙖𝙛𝙩𝙚𝙧 𝙗𝙡𝙤𝙘𝙠, 𝙗𝙪𝙩 𝙮𝙤𝙪𝙧 𝙩𝙚𝙢𝙥𝙡𝙖𝙩𝙚 𝙢𝙪𝙨𝙩 𝙘𝙤𝙫𝙚𝙧 𝙚𝙫𝙚𝙧𝙮𝙩𝙝𝙞𝙣𝙜 𝙩𝙝𝙖𝙩 𝙩𝙝𝙚 𝙨𝙮𝙨𝙩𝙚𝙢 𝙙𝙤𝙚𝙨𝙣'𝙩 𝙘𝙖𝙩𝙘𝙝.